[INFO] updating cached repository natir/yacrd-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/natir/yacrd-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/natir/yacrd-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/natir/yacrd-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/natir/yacrd-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/natir/yacrd-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/natir/yacrd-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/natir/yacrd-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 310414531301469dd69b8c1b133234b6fede684d
[INFO] sha for GitHub repo natir/yacrd-rust: 310414531301469dd69b8c1b133234b6fede684d
[INFO] validating manifest of natir/yacrd-rust on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of natir/yacrd-rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing natir/yacrd-rust
[INFO] finished frobbing natir/yacrd-rust
[INFO] frobbed toml for natir/yacrd-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/natir/yacrd-rust/Cargo.toml
[INFO] started frobbing natir/yacrd-rust
[INFO] finished frobbing natir/yacrd-rust
[INFO] frobbed toml for natir/yacrd-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/natir/yacrd-rust/Cargo.toml
[INFO] crate natir/yacrd-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building natir/yacrd-rust against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/natir/yacrd-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] b0d229c02f47577597dfa6c2a62577d48e3110d25fba4e57b9b81ff1da733828
[INFO] running `"docker" "start" "-a" "b0d229c02f47577597dfa6c2a62577d48e3110d25fba4e57b9b81ff1da733828"`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling bv v0.7.4
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling rust-lzma v0.2.1
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling lzma-sys v0.1.10
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling xz2 v0.1.5
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling csv v1.0.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling bio v0.21.0
[INFO] [stderr]    Compiling yarcd v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `to_file`
[INFO] [stderr]    --> src/io/mhap.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn to_file<P: AsRef<Path>>(path: P) -> std::io::Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_file`
[INFO] [stderr]    --> src/io/paf.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn to_file<P: AsRef<Path>>(path: P) -> std::io::Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "b0d229c02f47577597dfa6c2a62577d48e3110d25fba4e57b9b81ff1da733828"`
[INFO] running `"docker" "rm" "-f" "b0d229c02f47577597dfa6c2a62577d48e3110d25fba4e57b9b81ff1da733828"`
[INFO] [stdout] b0d229c02f47577597dfa6c2a62577d48e3110d25fba4e57b9b81ff1da733828
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/natir/yacrd-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f04dcbc3fd2ff5a3c2e2ce170783f88ad2e0fc3270f2d56aa469b28f832d373d
[INFO] running `"docker" "start" "-a" "f04dcbc3fd2ff5a3c2e2ce170783f88ad2e0fc3270f2d56aa469b28f832d373d"`
[INFO] [stderr]    Compiling yarcd v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> tests/realistic_scenario.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_file`
[INFO] [stderr]    --> src/io/mhap.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn to_file<P: AsRef<Path>>(path: P) -> std::io::Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_file`
[INFO] [stderr]    --> src/io/paf.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn to_file<P: AsRef<Path>>(path: P) -> std::io::Result<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.18s
[INFO] running `"docker" "inspect" "f04dcbc3fd2ff5a3c2e2ce170783f88ad2e0fc3270f2d56aa469b28f832d373d"`
[INFO] running `"docker" "rm" "-f" "f04dcbc3fd2ff5a3c2e2ce170783f88ad2e0fc3270f2d56aa469b28f832d373d"`
[INFO] [stdout] f04dcbc3fd2ff5a3c2e2ce170783f88ad2e0fc3270f2d56aa469b28f832d373d